The '''John D. and Catherine T. MacArthur Foundation''' is the 10th largest private foundation
in the United States
Based in Chicago
, the Foundation supports non-profit organization
s in approximately 50 countries.
MacArthur has awarded more than US$5.5 billion since its inception in 1970.
[ With an endowment of $6.32 billion, the foundation provides approximately $225 million annually in grants.] [
In addition to selecting the MacArthur Fellows, also known as "genius grants," the foundation awards grants in funding areas including arts and culture, community and economic development, digital media and learning, housing, and juvenile justice.] [ The Foundation's stated aim is to "support creative people and effective institutions committed to building a more just, verdant, and peaceful world."]